function save(){
   var d= document.Data;
   var id= Math.abs(d.id.value);
   var text= d.text.value;
   var jmeno= d.jmeno.value;
   if ((text=='') || (jmeno=='')){
      alert("Není vyplněn text vzkazu nebo jméno.");
   }else{
      Ajax('text', id, text, jmeno);
   }
}
//****************** AJAX *************************
function Ajax(wind, id, text, jmeno){
   var url = './deba/save.php?id='+id+'&text='+text+'&jmeno='+jmeno;
   if (window.ActiveXObject){
      httpRequest = new ActiveXObject('Microsoft.XMLHTTP');
   }else{
      httpRequest = new XMLHttpRequest();
   }
   httpRequest.onreadystatechange= function () {processRequest(wind); } ;
   httpRequest.open('POST', url, true);
   httpRequest.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
   httpRequest.send(null);
}

function processRequest(wind){
  if (httpRequest.readyState == 4){
    if(httpRequest.status == 200){
      var mistoZobrazeni = document.getElementById(wind);
      mistoZobrazeni.innerHTML = httpRequest.responseText;
    }else{
        alert('Chyba pri nacitani stanky '+ httpRequest.status +':'+ httpRequest.statusText);
    }
  }
}